

/**
 * @User: Alan
 * @Date: 2019/8/20
 * @Time: 10:08
 * @Description: hello
 * @Version: 1.0
 * 打印服务
 */

public class MessageService {

    public MessageService() {
        super();
        System.out.println("MessageService...");
    }

    /**
     *执行打印功能
     * @return 返回要打印的字符串
     */
    public String getMessage(){
        return "hello world!";
    }
}
